X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.scenegraph%2Fsrc%2Forg%2Fsimantics%2Fscenegraph%2Fg2d%2FG2DRenderingHints.java;h=992213c4595f8dfa5f375af72b00750e00ce71bf;hb=e353ca45b2ad3ce36ea48336feca56e86ad0b089;hp=ff68dac5a692829ad157dc4180091dd9a3abb31a;hpb=0a40f3664e55387464c9490bbbcd563fddefd451;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/G2DRenderingHints.java b/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/G2DRenderingHints.java
index ff68dac5a..992213c45 100644
--- a/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/G2DRenderingHints.java
+++ b/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/G2DRenderingHints.java
@@ -12,6 +12,7 @@
 package org.simantics.scenegraph.g2d;
 
 import java.awt.Component;
+import java.awt.geom.AffineTransform;
 import java.awt.geom.Rectangle2D;
 import java.util.Map;
 
@@ -105,4 +106,19 @@ public final class G2DRenderingHints {
         }
     };
 
+    /**
+     * The current Graphics2D AffineTransform for all nodes under the special
+     * spatialRoot : RTreeNode.
+     * 
+     * This can be used to optimize the creation and of new AffineTransforms by
+     * not having to use Graphics2D.getTransform to retrieve the current
+     * transformation which always creates new instances.
+     */
+    public static final Key KEY_TRANSFORM_UNDER_SPATIAL_ROOT = new Key(2006) {
+        @Override
+        public boolean isCompatibleValue(Object val) {
+            return val instanceof AffineTransform || val == null;
+        }
+    };
+
 }
\ No newline at end of file